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Just like all SIRIUS devices, the circuit-breakers are suitable for side-by-side mounting up to 60 °C. In addition to the usual CLOSED/OPEN circuit-breaker positions the TRIPPED position is also indicated. SIRIUS circuit-breakers can be connected easily and without any wiring to the SIRIUS contactors and soft starters through a link module.The clear, structured range is electrically, mechanically and optically harmonized to the other families of SIRIUS devices – contactors, soft starters and overload relays. Furthermore, the four sizes cover a current range up to 100 A. This corresponds to a power range up to 45 kW at 400 V AC.
The MPCBs are supplied with factory-fitted over current release. There are five possible options:
1. MPCB with standard release
2. MPCB with relay function
3. MPCB with “MAG only” release
4. MPCB with Class 20 release
5. MPCB for Transformer protection